4522467840 has 640 divisors, whose sum is σ = 17309749248. Its totient is φ = 994836480.

The previous prime is 4522467839. The next prime is 4522467847. The reversal of 4522467840 is 487642254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a junction number, because it is equal to n+sod(n) for n = 4522467792 and 4522467801.

It is not an unprimeable number, because it can be changed into a prime (4522467847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67499487 + ... + 67499553.

Almost surely, 2^4522467840 is an apocalyptic number.

4522467840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522467840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8654874624).

4522467840 is an abundant number, since it is smaller than the sum of its proper divisors (12787281408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4522467840 is a wasteful number, since it uses less digits than its factorization.

4522467840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 4522467840 is about 67249.2962044957. The cubic root of 4522467840 is about 1653.7067372586.

The spelling of 4522467840 in words is "four billion, five hundred twenty-two million, four hundred sixty-seven thousand, eight hundred forty".